Home / 1,385,124.30-2,077,686.45-486,704.70

Finding the Fourth Proportional to 1,385,124.30, 2,077,686.45 and 486,704.70

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Solution

The fourth proportional to 1,385,124.30, 2,077,686.45 and 486,704.70 is: 730,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,124.30 : 2,077,686.45 = 486,704.70 : x
  2. Step 2: Convert to fraction form
    1,385,124.30/2,077,686.45 = 486,704.70/x
  3. Step 3: Cross multiply
    1,385,124.30x = 2,077,686.45 × 486,704.70
  4. Step 4: Simplify right side
    1,385,124.30x = 1,011,219,760,341.32
  5. Step 5: Solve for x
    x = 1,011,219,760,341.32/1,385,124.30
  6. Step 6: Final answer
    x = 730,057.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.